Facebook users who login to their account from a public computer can get sent a one-time password to access their account, the social networking site announced.

Users can text “otp” to 32665 on a mobile phone in the U.S. and receive a password that can be used only once and expires in 20 minutes. In order to access this feature, users will need a mobile phone number in your account. This features is gradually rolling out and it should be available to everyone in the coming weeks.